Camp-stool



E. G. BELKNAP.

CAMP sTooL.

510.25555. f Patented s515527, 1559.

IIL

NITED STATES PATENT OFFICE ELBRIDGE G. BELISNAP, OF' PHILADELPHIA, PENNSYLVANIA.

CAMP-STOOL.

Specicaton of Letters Patent No. 25,555, dated September 27, 1859.

To all whom t may concern.'

Be it known that I, ELBRIDGE G. 'BELKNAP, of the city of Philadelphia, in the State of Pennsylvania, have invented a new and Improved Camp-Stool and Table-Frame; and I do hereby declare that the following is a full and exact description thereof, reference being' had to the accompanying drawings, and to the letters of reference marked thereon, Figures l and 2 being perspective views, 3, 4, 5, 6 being sections.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

The case (1, is a cylinder of wood or metal having apertures A cut in its upper extremity for the reception of the arms, and a, for the purpose of connecting the slide S, to the guide plate. It also has apertures cut in its lower portion for the reception of the braces or feet Be It is divided near the center, and encircled by a band otl metal M, which is firmly attached to the lower portion, and in which the upper moves freely. It is also encircled by slides S for the purpose of pushing forth and withdrawing the seat, and s for the purpose of retaining the braces in position when closed. See Fig. l.

The seat frame consists of a block B of wood or metal the center of which receives the thrust of the arms Am and to which they are attached by means of the hinge plate II Figs. 3, 5, 6. It has also projections P on its surface between which the arms rest and by which they are held in position. See Fig. G.

Upon the hinge plate rests the spring oi' india rubber or metal. Its extremities rest upon the arms and it expands the seat when required. Figs. 3 and 6.

The bands b are of leather or metal united at the center and diverging to the extremities of the arms; to which they are attached by means of screws or other device.

Beneath the seat block is the guide plate of metal G having projections on its edge which iit into the apertures A and to which the slide S is attached by means of the screw Y Fig l. It has also a post on its surface which fits into an aperture .in the block above and retains it in position. The bolt I serves to bind all together. See Figs 3 and 6.

The seat may be made of any suitable material and is attached to the bands.

The brace block Bic to which the braces are attached by means of the hinge plate I-Ip, occupies a position in the case beneath the swivel block, SB It receives the thrust of the braces and retains them in position. It rests upon the spring of india rubber or metal Sg which serves to distend the braces when required. A nut or other device upon the connecting rod CR: beneath the spring, serves to support the spring and braces. See Figs 3 and 4. The braces are attached to the connecting rod by means of strips of leather or metal L Figs 3 and 4.

The swivel block SZ) is fixed in the case by the screws Z so that its upper polished surface is on a level'with the the metallic band M. The upper swivel block Uso rests upon it and is fixed in position by the screw so that the w-eight upon the seat rests entirely upon the blocks. See Fig. The connecting rod Gr extends from the foot F, to which it is securely fixed, up through the brace block, and swivel blocks where it terminates in a screw and nut or other device, (Z, thus binding the upper and lower portions together. See Fig. 3.

The combination of the case and the seat frame, with the swivel blocks, braces and connecting rod, the whole being arranged substantially in the manner herein specified and described.

ELBRIDGE G. BELKNAP.

Vitnesses THOMAS C. JONES, I. PLANKINSHIP.

upper edge of' 

